IBM IC35L040AVVN07-0 Hard Drive Specifications - Page 41
PIO timings
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6.2.2 PIO timings The PIO cycle timings meet Mode 4 of the ATA/ATAPI-6 description. CS(1:0) DA(2:0) t1 DIOR-, DIOW- Write data DD(15:0) Read data DD(15:0) t7(*) IOCS16-(*) IORDY Figure 23. PIO cycle timings chart t9 t0 t2 t2i t3 t4 t5 t6 t8(*) tA tB (*) Up to ATA-2 (mode-0,1,2) PARAMETER DESCRIPTION t0 Cycle time t1 Address valid to DIOR-/DIOW- setup t2 DIOR-/DIOW- pulse width t2i DIOR-/DIOW- recovery time t3 DIOW- data setup t4 DIOW- data hold t5 DIOR- data setup t6 DIOR- data hold t7(*) Address valid to IOCS16- assertion t8(*) Address invalid to IOCS16- negation t9 DIOR-/DIOW- to address valid hold tA IORDY set up time tB IORDY pulse width Figure 24. PIO cycle timings MIN (ns) 120 25 70 25 20 10 20 5 - - 10 - - MAX (ns) 40 30 35 1250 Deskstar 120GXP hard disk drive specifications 27